Home / 4,637.58-6,398.74-2,820.54

Finding the Fourth Proportional to 4,637.58, 6,398.74 and 2,820.54

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Solution

The fourth proportional to 4,637.58, 6,398.74 and 2,820.54 is: 3,891.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,637.58 : 6,398.74 = 2,820.54 : x
  2. Step 2: Convert to fraction form
    4,637.58/6,398.74 = 2,820.54/x
  3. Step 3: Cross multiply
    4,637.58x = 6,398.74 × 2,820.54
  4. Step 4: Simplify right side
    4,637.58x = 18,047,902.12
  5. Step 5: Solve for x
    x = 18,047,902.12/4,637.58
  6. Step 6: Final answer
    x = 3,891.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.